package com.java0106;
import java.lang.Math;
public class Java01 {
    public static void main(String[] args) {
        //1、数学类   java会自动把java.lang.*导入
        int max = Math.max(2, 3);
        System.out.println(max);

        double pi = Math.PI;
        System.out.println(pi);

        int min = Math.min(2, 3);
        System.out.println(min);
    }

}
